St. George’s University of London - Paediatric Infectious Diseases Research Group, University College London - Medical Research Council Clinical Trials Unit, Jawaharlal Institute of Postgraduate Medical Education & Research (JIPMER) - Department of Neonatology, St. George’s University of London - Paediatric Infectious Diseases Research Group, Childhood Acute Illness and Nutrition Network, Jawaharlal Institute of Postgraduate Medical Education & Research (JIPMER) - Department of Neonatology, All India Institute of Medical Sciences (AIIMS) - Newborn Division and WHO-CC, Global Antibiotic Research and Development Partnership (GARDP), University of the Witwatersrand - School of Clinical Medicine, Stellenbosch University - Department of Paediatrics and Child Health, Santa Casa de São Paulo - Pediatric Infectious Diseases Unit, Penta Foundation, Queen Sirikit National Institute of Child Health, University of São Paulo (USP) - Department of Pediatrics, All India Institute of Medical Sciences (AIIMS) - Department of Paediatrics, Bambino Gesù Children's Hospital - Academic Hospital Paediatric Department, London School of Hygiene & Tropical Medicine - Department of Infectious Disease Epidemiology, Chiang Mai University - PHPT/IRD, Vietnam National Children’s Hospital, Capital Medical University - Department of Neonatology, Stellenbosch University - Department of Paediatrics and Child Health, Seth GS Medical College - Neonatology Department, Lady Hardinge Medical College - Department of Neonatology, Shenzhen Children's Hospital - Department of Neonatology, University of Antwerp - Laboratory of Medical Microbiology, University of Antwerp - Laboratory of Medical Microbiology, Dhaka Shishu Hospital - Child Health Research Foundation (CHRF), Santa Casa de São Paulo - Pediatric Infectious Diseases Unit, Global Antibiotic Research and Development Partnership (GARDP), Queen Sirikit National Institute of Child Health - Neonatal Unit, University of Antwerp - Laboratory of Medical Microbiology, Karolinska Institutet - Department of Global Public Health, Bambino Gesù Children's Hospital - Academic Hospital Paediatric Department, University of Antwerp - Laboratory of Medical Microbiology, University of São Paulo (USP) - Department of Pediatrics, Seth GS Medical College - Neonatology Department, Lady Hardinge Medical College - Department of Neonatology, Makerere University - Johns Hopkins University Research Collaboration, Drugs for Neglected Diseases Initiative (DNDi), Kemri-Wellcome Trust Research Programme - Clinical Research Department,, Makerere University - Johns Hopkins University Research Collaboration, Capital Medical University - Beijing Obstetrics and Gynecology Hospital, Chiangrai Prachanukroh Hospital, World Health Organization (WHO) - Department of Maternal, Newborn, Child and Adolescent Health, University of the Witwatersrand - School of Clinical Medicine, St. George’s University of London - Paediatric Infectious Diseases Research Group, Aristotle University and Hippokration General Hospital - Infectious Diseases Unit, Dhaka Shishu Hospital - Child Health Research Foundation (CHRF), Aristotle University and Hippokration General Hospital - Infectious Diseases Unit, University of the Witwatersrand - School of Clinical Medicine, University of the Witwatersrand - School of Clinical Medicine, University of Antwerp - Laboratory of Medical Microbiology, Capital Institute of Pediatrics - Department of Neonatology, Shenzhen Children's Hospital - Department of Neonatology, Capital Medical University - Beijing Obstetrics and Gynecology Hospital, Global Antibiotic Research and Development Partnership (GARDP), St. George’s University of London - Paediatric Infectious Diseases Research Group, University College London - Medical Research Council Clinical Trials Unit, University of London - Institute of Infection and Immunity and St. George’s University of London - Paediatric Infectious Diseases Research Group

St. George’s University of London - Paediatric Infectious Diseases Research Group, University College London - Medical Research Council Clinical Trials Unit, Jawaharlal Institute of Postgraduate Medical Education & Research (JIPMER) - Department of Neonatology, St. George’s University of London - Paediatric Infectious Diseases Research Group, Childhood Acute Illness and Nutrition Network, Jawaharlal Institute of Postgraduate Medical Education & Research (JIPMER) - Department of Neonatology, All India Institute of Medical Sciences (AIIMS) - Newborn Division and WHO-CC, Global Antibiotic Research and Development Partnership (GARDP), University of the Witwatersrand - School of Clinical Medicine, Stellenbosch University - Department of Paediatrics and Child Health, Santa Casa de São Paulo - Pediatric Infectious Diseases Unit, Penta Foundation, Queen Sirikit National Institute of Child Health, University of São Paulo (USP) - Department of Pediatrics, All India Institute of Medical Sciences (AIIMS) - Department of Paediatrics, Bambino Gesù Children's Hospital - Academic Hospital Paediatric Department, London School of Hygiene & Tropical Medicine - Department of Infectious Disease Epidemiology, Chiang Mai University - PHPT/IRD, Vietnam National Children’s Hospital, Capital Medical University - Department of Neonatology, Stellenbosch University - Department of Paediatrics and Child Health, Seth GS Medical College - Neonatology Department, Lady Hardinge Medical College - Department of Neonatology, Shenzhen Children's Hospital - Department of Neonatology, University of Antwerp - Laboratory of Medical Microbiology, University of Antwerp - Laboratory of Medical Microbiology, Dhaka Shishu Hospital - Child Health Research Foundation (CHRF), Santa Casa de São Paulo - Pediatric Infectious Diseases Unit, Global Antibiotic Research and Development Partnership (GARDP), Queen Sirikit National Institute of Child Health - Neonatal Unit, University of Antwerp - Laboratory of Medical Microbiology, Karolinska Institutet - Department of Global Public Health, Bambino Gesù Children's Hospital - Academic Hospital Paediatric Department, University of Antwerp - Laboratory of Medical Microbiology, University of São Paulo (USP) - Department of Pediatrics, Seth GS Medical College - Neonatology Department, Lady Hardinge Medical College - Department of Neonatology, Makerere University - Johns Hopkins University Research Collaboration, Drugs for Neglected Diseases Initiative (DNDi), Kemri-Wellcome Trust Research Programme - Clinical Research Department,, Makerere University - Johns Hopkins University Research Collaboration, Capital Medical University - Beijing Obstetrics and Gynecology Hospital, Chiangrai Prachanukroh Hospital, World Health Organization (WHO) - Department of Maternal, Newborn, Child and Adolescent Health, University of the Witwatersrand - School of Clinical Medicine, St. George’s University of London - Paediatric Infectious Diseases Research Group, Aristotle University and Hippokration General Hospital - Infectious Diseases Unit, Dhaka Shishu Hospital - Child Health Research Foundation (CHRF), Aristotle University and Hippokration General Hospital - Infectious Diseases Unit, University of the Witwatersrand - School of Clinical Medicine, University of the Witwatersrand - School of Clinical Medicine, University of Antwerp - Laboratory of Medical Microbiology, Capital Institute of Pediatrics - Department of Neonatology, Shenzhen Children's Hospital - Department of Neonatology, Capital Medical University - Beijing Obstetrics and Gynecology Hospital, Global Antibiotic Research and Development Partnership (GARDP), St. George’s University of London - Paediatric Infectious Diseases Research Group, University College London - Medical Research Council Clinical Trials Unit, University of London - Institute of Infection and Immunity and St. George’s University of London - Paediatric Infectious Diseases Research Group

University of the Witwatersrand - Medical Research Council: Respiratory and Meningeal Pathogens Research Unit, University of the Witwatersrand - Vaccines and Infectious Diseases Analytics Research Unit, University of the Witwatersrand - South African Medical Research Council, University of the Witwatersrand - South African Medical Research Council, University of the Witwatersrand - South African Medical Research Council, University of the Witwatersrand - Department of Internal Medicine, University of the Witwatersrand - South African Medical Research Council Vaccines and Infectious Diseases Analytical Research Unit, University of the Witwatersrand - South African Medical Research Council, University of the Witwatersrand - South African Medical Research Council, University of the Witwatersrand - Department of Obstetrics & Gynaecology, University of the Witwatersrand - Department of Intensive Care, University of the Witwatersrand - School of Clinical Medicine, University of the Witwatersrand - Department of Internal Medicine, University of Oxford - Centre for Tropical Medicine & Global Health, University of the Witwatersrand - Vaccines and Infectious Diseases Analytics Research Unit and Independent

affiliation not provided to SSRN, affiliation not provided to SSRN, National Health Laboratory Services (NHLS) - National Institute for Communicable Diseases, affiliation not provided to SSRN, University of the Witwatersrand - School of Clinical Medicine and affiliation not provided to SSRN